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Finding the Fourth Proportional to 247,807.40, 372,002.70 and 246,057.80

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Solution

The fourth proportional to 247,807.40, 372,002.70 and 246,057.80 is: 369,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,807.40 : 372,002.70 = 246,057.80 : x
  2. Step 2: Convert to fraction form
    247,807.40/372,002.70 = 246,057.80/x
  3. Step 3: Cross multiply
    247,807.40x = 372,002.70 × 246,057.80
  4. Step 4: Simplify right side
    247,807.40x = 91,534,165,956.06
  5. Step 5: Solve for x
    x = 91,534,165,956.06/247,807.40
  6. Step 6: Final answer
    x = 369,376.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.